The ideal surfing experience frequently provides by Firefox. Additionally, it has a wide range of beneficial feature sets that, often, satisfy all the end user’s requirements.
Background operations and the processing of large website components primarily cause Firefox’s high CPU use. You can also delete the cache and modify the Firewall settings to decrease CPU consumption. Let’s see why does Firefox take so much CPU and how to fix it.
Why Does Firefox Use So Much Memory?
The persistent use of several tabs in any browser, including Firefox, is a common cause of high CPU resource usage. Additionally, each tab with an extension open uses a certain resource, exponentially increasing CPU consumption as you open more tabs.
In addition, faulty or infected browser files might result in high CPU consumption. Here are a few explanations for why Firefox consumes much CPU power.
- There are continually active addons and themes.
- Content-prefs.sqlite file corruption
- Several tabs open
- Malware is preventing Firefox from working.
How Do I Stop Firefox from Using So Much CPU?
If you want to know, how do I lower my CPU on Firefox? The following are some of the methods you might try to lower Firefox’s CPU usage:
1) Firefox High CPU Usage Linux by Restart
Resetting Firefox to its default settings while saving data like passwords or bookmarks may help you with various problems. Go to about support and click Refresh Firefox to update Firefox. And you can just restart it to resolve this problem.
2) Boot Firefox to Safe Mode
Imagine that the browser typically runs in this mode, and your Firebox suddenly shuts down due to CPU overuse. The best action at such a moment is to reformat Firefox into safe mode. The steps to launch Firefox in safe mode are as follows:
- The computer’s Mozilla Firefox browser.
- The Menu button locates in the upper right corner. Click it.
- Choose the Help menu item.
- Select Troubleshoot Mode or Restart with Add-Disabled from the drop-down menu.
- To restart, click the button.
- Open the Safe Mode version of your browser.
- Check out how it is now performing. Restart the browser in normal mode if the productivity issue still exists, then uninstall each new extension one at a time until the issue fix.
3) Delete Content-prefs.sqlite File
All your information, including bookmarks, add-ons, a custom toolbar, download sites, preference settings, etc., store in the content-prefs.sqlite file. This file may damage by malware or an unexpected power outage, which will cause Mozilla Firefox to use a lot of CPU power. To determine if it resolves the heavy use issue, delete this file.
In the upper right corner of the Firefox window, click the three horizontal lines that are vertically aligned.
- Click on More troubleshooting information after selecting Help.
- Look for Profile Folder under Application Basics.
- Next, select Open Folder. The file explorer ought to launch.
- Select the content-prefs.sqlite file and remove it permanently.
- Relaunch Firefox.
- In the exact location, Firefox will automatically create new content-prefs.sqlite file.
4) Firefox Hardware Acceleration
Turning on the hardware acceleration function lets you instruct Firefox to use your computer’s GP rather than the CPU. It is beneficial when your computer handles highly graphic elements.
- To enable hardware acceleration in your browser, adhere to the following steps:
- Go to Settings in the Firefox menu.
- Pick General from the left-hand menu.
- Performance can be de-checked by scrolling down. Use the performance settings that advise.
- When available, use hardware acceleration.
5) Use Strict Tracking Protection
Different levels of Enhanced Tracking Protection are available. The functionality enables and has the Standard option selected by default. To view and modify your settings for Enhanced Tracking Protection:
- In the address bar, click the shield symbol.
- For protection settings, click.
- Decide between Standard, Strict, and Custom. Choose which trackers and scripts to ban if the latter.
- To view the websites for which you have disabled protection, click Manage Exceptions. Select the website from the currently excluded list, then click Remove Website to allow protection for it.
Some websites may not display or function properly when using the Strict option.
Yes! It is heavy. Firefox may consume more system resources than it typically would be due to extensions and customizations. Start Firefox in Troubleshoot Mode and monitor its memory and CPU use to see if an extension or theme is making it. It consumes excessive amounts of resources.
The Task Manager provides helpful details about the tabs and specific add-ons operating in Firefox. Type about: performance into the URL bar to launch the Task Manager. In a new tab, the Task Manager about Performance page will appear.